Basic Functions 37
Turning on or off the power
Turning on the power
When the power is turned off, press and hold the Power/Lock Key.
• When the device is turned on for the first time, initial configuration
takes place. The first booting time for the smart phone may be longer
than usual.
Turning off the power
Press and hold the Power/Lock Key, then select Power off.
Power control options
Tap and hold the Power/Lock Key, then select an option.
• Power off: Turn off the device.
• Power off and restart: Restart the device.
• Turn on Airplane mode: Block telecommunication-related functions,
including making phone calls, messaging and browsing the Internet.
Other functions remain available.
• If the screen freezes or the device does not respond when you try to
operate it, press and hold the Power/Lock Key and Volume Down (-)
key for about 10 seconds to restart your device.
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